Home / 13,917.36-19,202.52-8,253.44

Finding the Fourth Proportional to 13,917.36, 19,202.52 and 8,253.44

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Solution

The fourth proportional to 13,917.36, 19,202.52 and 8,253.44 is: 11,387.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.36 : 19,202.52 = 8,253.44 : x
  2. Step 2: Convert to fraction form
    13,917.36/19,202.52 = 8,253.44/x
  3. Step 3: Cross multiply
    13,917.36x = 19,202.52 × 8,253.44
  4. Step 4: Simplify right side
    13,917.36x = 158,486,846.67
  5. Step 5: Solve for x
    x = 158,486,846.67/13,917.36
  6. Step 6: Final answer
    x = 11,387.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.